Yongan, Chongqing, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Yongan, Chongqing, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 47 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Yongan, Chongqing, China
5 AM2nd Jul 2025
7 PM
4 AM3rd Jul 2025
52AQI
30AQI
52AQI
37AQI
In the last 24 hours,
Yongan's AQI reached its highest point of 52 at 5 AM during the Day, while the lowest point, 30, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Yongan, Chongqing, China
19°C15/21°C
20°C14/27°C
22°C12/33°C
23°C18/30°C
23°C17/30°C
19°C15/24°C
20°C13/28°C
25°C18/33°C
25°C16/35°C
25°C15/36°C
27°C17/37°C
27°C17/37°C
25°C15/34°C
29°C20/37°C
29°C22/38°C
23°C18/28°C
23°C18/28°C
27°C23/33°C
20°C15/24°C
19°C15/25°C
22°C15/31°C
23°C15/32°C
18°C14/21°C
21°C14/29°C
24°C15/33°C
26°C17/35°C
25°C17/35°C
25°C18/33°C
25°C20/31°C
27°C18/35°C
0°C0/0°C
60AQI
52AQI
59AQI
59AQI
2025 Days Vs Air Quality
Yongan, Chongqing, China
7%
12
66%
120
25%
46
2%
4
0.5%
1
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 7%
Health Risk Level:
Extreme
In 2025, 7% of 184 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Yongan, Chongqing, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
145AQI
147AQI
153AQI
156AQI
116AQI
131AQI
117AQI
113AQI
111AQI
118AQI
114AQI
119AQI
118AQI
113AQI
101AQI
107AQI
111AQI
123AQI
131AQI
139AQI
146AQI
159AQI
173AQI
141AQI
88AQI
89AQI
86AQI
96AQI
126AQI
117AQI
129AQI
92AQI
88AQI
78AQI
82AQI
76AQI
74AQI
67AQI
76AQI
75AQI
80AQI
100AQI
84AQI
91AQI
84AQI
91AQI
79AQI
83AQI
82AQI
94AQI
131AQI
128AQI
104AQI
102AQI
119AQI
106AQI
109AQI
96AQI
115AQI
112AQI
113AQI
68AQI
67AQI
59AQI
66AQI
72AQI
82AQI
90AQI
86AQI
89AQI
95AQI
80AQI
81AQI
57AQI
63AQI
64AQI
65AQI
70AQI
72AQI
79AQI
92AQI
103AQI
98AQI
82AQI
87AQI
116AQI
74AQI
84AQI
70AQI
72AQI
74AQI
86AQI
86AQI
91AQI
91AQI
96AQI
92AQI
85AQI
88AQI
76AQI
75AQI
229AQI
146AQI
133AQI
114AQI
108AQI
108AQI
101AQI
97AQI
85AQI
87AQI
97AQI
97AQI
84AQI
85AQI
84AQI
80AQI
78AQI
76AQI
71AQI
85AQI
89AQI
87AQI
78AQI
77AQI
106AQI
103AQI
89AQI
87AQI
83AQI
80AQI
87AQI
85AQI
86AQI
96AQI
91AQI
114AQI
94AQI
112AQI
103AQI
100AQI
79AQI
83AQI
90AQI
92AQI
83AQI
83AQI
75AQI
76AQI
74AQI
62AQI
56AQI
58AQI
62AQI
72AQI
64AQI
71AQI
57AQI
55AQI
57AQI
64AQI
64AQI
66AQI
68AQI
63AQI
63AQI
67AQI
65AQI
62AQI
54AQI
56AQI
50AQI
44AQI
46AQI
50AQI
50AQI
46AQI
48AQI
49AQI
47AQI
50AQI
46AQI
47AQI
124AQI
92AQI
81AQI
97AQI
88AQI
57AQI
47AQI
No. of days
202589AQI
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
July47AQI
202465AQI
Highest AQI recorded in
December111AQI
Lowest AQI recorded in
July43AQI
202363AQI
Highest AQI recorded in
January118AQI
Lowest AQI recorded in
July33AQI
202279AQI
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
August41AQI
202181AQI
Highest AQI recorded in
January146AQI
Lowest AQI recorded in
July43AQI
202073AQI
Highest AQI recorded in
December136AQI
Lowest AQI recorded in
July44AQI
Most & Least Polluted Years Over the Last 6 Years
Yongan's annual 2025 AQI (89) shows an average percentage change of 25.5% (worsened AQI) compared to previous years: 2020 (73), 2021 (81), 2022 (79), 2023 (63), 2024 (65).